InChI=1/C19H25N5O2/c1-13(17-12-20-23(3)14(17)2)21-19(26)22-15-7-6-8-16(11-15)24-10-5-4-9-18(24)25/h6-8,11-13H,4-5,9-10H2,1-3H3,(H2,21,22,26)/t13-/m0/s1/f/h21-22H 3630762531D325D7